100 and brainliest if you tell me ur favorite anime :]

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

What is the slope of the line (-7,2) (4,6)